First all, where (exactly) can I get the correct way to mapping all the relations? We are always finding many differents mapping forms and this can be terrible to beginners. I still dont know if we have some tutorial or book like that, but I'd like... Anybody here knows?
Este e-mail foi enviado por um computador sem vírus e protegido pelo Avast. www.avast.com <https://www.avast.com/sig-email> <#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Tue, Feb 23, 2016 at 9:36 AM, Steve Ebersole <st...@hibernate.org> wrote: > Well first, technically isn't that mapping incorrect? That should use > @CollectionTable rather than @JoinTable. I am not sure that makes a > difference, but in the interest of mapping things properly... > > That being said... the whole premise of the legacy EJB3NamingStrategy was > to prefer the use of table names over the use of entity names. The table > name here is `abstractprojet`; there is no table named `projetdiffusion`. > So > personally I believe the new behavior is correct, whereas the old behavior > was incorrect if it really produced `projetdiffusion_technologies` here. > > My $.02 > > > > > On Tue, Feb 23, 2016 at 3:31 AM Emmanuel Bernard <emman...@hibernate.org> > wrote: > > > To be honest I cannot make up my mind to decide which behavior is more > > correct. I can see both as valid. > > > > > On 22 Feb 2016, at 18:07, Steve Ebersole <st...@hibernate.org> wrote: > > > > > > It is also important to understand that lots of Hibernate code calling > > into > > > NamingStrategy did so in quite inconsistent ways. We decided that > > > consistency of the calling was more important moving forward. So while > > > ImplicitNamingStrategyLegacyJpaImpl strives to be compatible with the > > > older EJB3NamingStrategy, > > > we won't do that at the compromise of consistency in the calls. > > > > > > Step into ImplicitNamingStrategyLegacyJpaImpl#determineJoinTableName > and > > > find out: > > > 1) where this particular call is coming from > > > 2) what information is passed in > > > > > > > > > > > > > > > On Mon, Feb 22, 2016 at 6:34 AM Guillaume Smet < > guillaume.s...@gmail.com > > > > > > wrote: > > > > > >> Important point: AbstractProjet uses SINGLE_TABLE inheritance. > > >> > > >> On Mon, Feb 22, 2016 at 12:10 PM, Guillaume Smet < > > guillaume.s...@gmail.com > > >>> > > >> wrote: > > >> > > >>> Hi, > > >>> > > >>> I'm migrating another application to 5.x and have the following issue > > >> with > > >>> the new naming strategies. > > >>> > > >>> We used EJB3NamingStrategy and are now using > > >>> ImplicitNamingStrategy*Legacy*JpaImpl which is advertised as being > its > > >>> replacement. > > >>> > > >>> The model is the following: > > >>> @Entity > > >>> AbstractProjet > > >>>> @Entity > > >>> @DiscriminatorValue(value = "ProjetDiffusion") > > >>> public class ProjetDiffusion extends AbstractProjet { > > >>> @ElementCollection > > >>> @Enumerated(EnumType.STRING) > > >>> @JoinTable(uniqueConstraints = { > > >>> @UniqueConstraint(columnNames = { "projetdiffusion_id", > "technologies" > > >> }) }) > > >>> private List<ProjetTechnologie> technologies = > > >>> Lists.newArrayList(); > > >>> > > >>> Before the upgrade to 5, the join table was called > > >>> projetdiffusion_technologies and the column was projetdiffusion_id. > > >>> > > >>> After the upgrade to 5, the join table is called > > >>> abstractprojet_technologies and the column abstractprojet_id. Thus, > we > > >> have > > >>> an error on the creation of the unique constraint. > > >>> > > >>> Is this change expected? > > >>> > > >>> -- > > >>> Guillaume > > >>> > > >> _______________________________________________ > > >> hibernate-dev mailing list > > >> hibernate-dev@lists.jboss.org > > >> https://lists.jboss.org/mailman/listinfo/hibernate-dev > > >> > > > _______________________________________________ > > > hibernate-dev mailing list > > > hibernate-dev@lists.jboss.org > > > https://lists.jboss.org/mailman/listinfo/hibernate-dev > > > > > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev > -- Adriano Araújo Santos *"A mente que se abre a uma nova ideia jamais voltará ao seu tamanho original."* _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
